Is the verification done with water in the body for FT660 turbidimeter?

Document ID

Document ID TE2211

Published Date

Published Date 12/04/2019
Question
Is the verification done with water in the body for FT660 turbidimeter?
Summary
FT660 sc Verification
Answer

Calibration is done in the body of the instrument or using the optional calibration kit. Calibration is done using 1 L of 800 ± 50 mNTU StablCal Stabilized Formazin Certified Standard. Do not use other types or values of standards. Do not use user-prepared formazin. The performance specifications given in this manual are based on and guaranteed only when calibration is done with StablCal Stabilized Formazin Certified Standard for this instrument. The manufacturer cannot guarantee the performance of the instrument if calibrated with copolymer styrenedivinylbenzene beads or other suspensions.

 

Verification

Wet standard verification is done using 1 L of StablCal Stabilized Formazin Certified Standard (0–5500 mNTU) for this instrument . Do not use other standards. Do not use user-prepared formazin.

Dry standard verification is done using quick check Product # 6735500. Once installed the instrument should be returned to the instrument body with sample to reduce stray light impact as the quick check vial is empty and sealed to the instrument head.